The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 10, 1995

Filed:

Jul. 28, 1993
Applicant:
Inventors:

John L Beiswenger, Strasburg, PA (US);

Robert I Schwimmer, Glencoe, IL (US);

Assignee:

Technomarket, L.P., Chicago, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04C / ; G04C / ; G09F / ;
U.S. Cl.
CPC ...
368 69 ; 368 82 ; 368239 ; 345 34 ;
Abstract

A digital clock comprises an electronic timekeeping circuit, plus electronic digital display means connected to the time keeping circuit to display time as controlled by the circuit. Electronic control means are provided to permit changing of individual numerals displayed in a plurality of locations by manually pointing at the individual numerals. The electronic control means may comprise transparent touch-sensitive detection means positioned in front of the digital display means to permit manual changing of the individual numerals. Alternatively, the electronic control means may comprise one or more light beam emitters and one or more light beam sensors, plus an optical means for passing individual time-gated light beams from the emitter(s) to the sensor(s) in front of the numerals in a position to permit selective occlusion of the individual light beams by manual pointing.


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